Gurobi 5.0.1 (linux64) logging started Sat Nov 17 01:06:46 2012

Optimize a model with 46208 rows, 44732 columns and 182302 nonzeros
Presolve removed 2 rows and 2 columns
Presolve time: 1.08s
Presolved: 46417 rows, 44730 columns, 226385 nonzeros
Variable types: 0 continuous, 44730 integer (44730 binary)
Found heuristic solution: objective 211.0000000

Root relaxation: objective 2.000000e+00, 26677 iterations, 2.22 seconds
Total elapsed time = 6.44s

    Nodes    |    Current Node    |     Objective Bounds      |     Work
 Expl Unexpl |  Obj  Depth IntInf | Incumbent    BestBd   Gap | It/Node Time

     0     0    2.00000    0  346  211.00000    2.00000  99.1%     -    7s
H    0     0                     157.0000000    2.00000  98.7%     -    7s
H    0     0                       4.0000000    2.00000  50.0%     -    7s
     0     0    2.22222    0 4447    4.00000    2.22222  44.4%     -   53s
     0     0    2.40000    0 16025    4.00000    2.40000  40.0%     -   75s
     0     0    2.40000    0 14895    4.00000    2.40000  40.0%     -  100s
H    0     0                       3.0000000    2.40000  20.0%     -  101s

Cutting planes:
  Zero half: 16

Explored 0 nodes (148533 simplex iterations) in 101.38 seconds
Thread count was 1 (of 16 available processors)

Optimal solution found (tolerance 1.00e-04)
Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%